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BUEHRER ERWIN

Overview
  • Total Patents
    124
About

BUEHRER ERWIN has a total of 124 patent applications. Its first patent ever was published in 1927. It filed its patents most often in Switzerland, Germany and Canada. Its main competitors in its focus markets materials and metallurgy, thermal processes and packaging and shipping are BUHRER ERWIN, KOYO CHIYUUKI KK and NIELSEN FRIEDRICH.

Patent filings in countries

World map showing BUEHRER ERWINs patent filings in countries

Patent filings per year

Chart showing BUEHRER ERWINs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Buehrer Erwin 66
#2 Erwin Buehrer 25
#3 Erubuin Biyuureru 7
#4 Wernli Max 4
#5 Keller Franz 3
#6 Franz Keller 2
#7 Erubin Byuureru 2
#8 Theodor Baechtold 2
#9 Max Wernli 2
#10 Maurer Emil 2

Latest patents

Publication Filing date Title
DE2852742A1 METHOD AND EQUIPMENT FOR APPLYING SANDBALLS CONTAINING CASTINGS FROM MOLDING BOXES OF CASTED FOUNDRY FORMS
JPS5468722A Casting mold forming apparatus
DE2844565A1 MODEL EQUIPMENT FOR FOUNDRY FORMS
DE2828156A1 FOUNDRY MOLDING MACHINE FOR MANUFACTURING MOLDING MATERIAL IN MOLDING BOX
JPS545819A Equipment for making halffbody of casting mold in molding flask
ATA120477A Device for the controlled pouring of metal melt in molding molds
ATA41677A Molding machine for producing casting molds in molding boxes
DE2548956A1 METHOD AND MOLDING MACHINE FOR MANUFACTURING A FOUNDRY FORM
DE2529982A1 MOLDING MACHINE WITH LIFTING AND ROTATING DEVICE
CA1017528A Molding apparatus for compressing and vibrating foundry molds
DE2452984A1 MOLDING MACHINE FOR PRESSING OR FOR SIMULTANEOUS FREE-FALL ROCKING AND PRESSING OF FOUNDRY FORMS
CA1027333A Method of and apparatus for the production of mold parts for foundries
CA1031931A Pattern device for foundry mold manufacture
CA1015923A Method and apparatus for production of casting molds
CH571370A5 Casting moulds mfr. - using pattern plates spaced from each other by a frame which encloses them
DE2334095A1 Inudction furnace - for treatment of molten iron eg analysis correction
CH556702A Casting moulds mfr. - using pattern plates spaced from each other by a frame which encloses them
CH569535A5 Filling large moulds using an adjustable tundish - mounted on a frame which is independent of the moulds
CA952685A Device for pouring a mold
CH547860A Shaft furnace cupola - with robust charging means and exhaust system